Finding the Fourth Proportional to 641,226.56, 961,004.99 and 261,701.87
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Solution
The fourth proportional to 641,226.56, 961,004.99 and 261,701.87 is: 392,212.07
Step by Step Solution
- Step 1: Write the proportion equation
641,226.56 : 961,004.99 = 261,701.87 : x - Step 2: Convert to fraction form
641,226.56/961,004.99 = 261,701.87/x - Step 3: Cross multiply
641,226.56x = 961,004.99 × 261,701.87 - Step 4: Simplify right side
641,226.56x = 251,496,796,848.80 - Step 5: Solve for x
x = 251,496,796,848.80/641,226.56 - Step 6: Final answer
x = 392,212.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.